On Tue, Dec 29, 2020 at 09:42:59AM -0500, Bryan Steele wrote:
> On Mon, Dec 28, 2020 at 01:20:29PM -0500, Ian Darwin wrote:
> > Kernel is OpenBSD 6.8-current (GENERIC) #561: Sun Dec 27 18:29:43 MST 2020
> > 
> > Machine is a Wyse C90 - orignially sold as a "thin client" - tiny machine, 
> > no serial port (ps and trace typed in).
> > HW Info at https://www.parkytowers.me.uk/thin/wyse/cx0/
> > Was planning to use it as a wifi bridge, so tiny is fine.
> > 
> > "Latest" BIOS (2012 edition). "BIOS reset" did not help.
> > cpu info: VIA Eden Processor 1000MHz ("CentaurHauls" 686-class) 1.01 GHz, 
> > 06-0d-00
> > RAM: 1GB (despite reported as 3/4 of that)
> 
> Long shot, but could you maybe show the output of "machine memory" for
> both boot/pxeboot? I'm curious if the memory map is reportedly
> differently between a working boot and a bad one.


Good suggestion, and indeed, it differs a little:

Using pxeboot:

CLIENT MAC ADDR: 00 80 64 xx xx xx GUID: C2020018-0403-0920-EE9A-0080648793AD
CLIENT IP: 192.168.42.245 MASK: 255.255.255.0 DHCP IP: 192.168.42.254
GATEWAY IP: 192.168.42.254
probing: pc0 pci pxe![2.1] mem[546K 765M a20-on]
disk: hd0+
net: nac 00:80:64:xx:xx:xx, ip 192.168.42.245, server 192.168.42.254
>> OpenBSD, i386 PXEBOOT 3.43 boot> machine mem
Region 0: type 1 at 0x0 for 546KB
Region 1: type 2 at 0x88800 for 94KB
Region 2: type 2 at Oxe0000 for 128KB
Region 3: type 1 at 0x100000 for 784192KB
Region 4: type 3 at Ox2fed0000 for 28KB
Region 5: type 4 at 0x2fed7000 for 4KB
Region 6: type 2 at Ox2fed8000 for 160KB
Region 7: type 2 at Ox2ff00000 for 1024KB
Region 8: type 2 at Ox30000000 for 262144KB
Region 9: type 2 at Oxe0000000 for 262144KB
Region 10: type 2 at Oxfec00000 for 64KB
Region 11: type 2 at Oxfee00000 for 4KB
Region 12: type 2 at Oxfff00000 for 1024KB
Low ram: 546KB High ram: 784192KB Total free nemory: 784738KB
boot>
 
Using /boot:

>> OpenBSD/i386 BOOT 3.44
boot> machine mem
Region 0: Type 1 at 0x0x for 631KB
Region 1: Type 2 at 0x9dc99 for 9KB
Region 2: type 2 at 0xe0000 for 128kb
(remainder the same)

Could Region 1 being so microscopic cause problems? If it got used for anything?

Thx for looking.

> > Full dmesg below; full ACPI attached.
> > 
> > Boot used           Kernel  From    Result
> > pxeboot                     bsd.rd  tftp    OK
> > pxeboot                     bsd             hd0a    OK (via 
> > tftpboot/etc/conf)
> > boot                        bsd             hd0a    panic
> > 
> > I.e., Boots fine with pxeboot "set device hd0a", but booting exact same 
> > kernel off same disk via /boot causes panic.
> > 
> > It's an older machine so it's likely a buggy acpi, not worth massive 
> > investment of time, just wonder if there's an easy workaround.
> > Presume it's getting something different in some AML, based on where boot 
> > code loaded from,
> > or else pxeboot vs boot setting environment slightly differently?
> > 
> > On screen after panic:
> > 
> > bios0: WYSE C CLASS
> > acpi0 at bios0: ACPI 3.0
> > acpi0: sleep states S0 S1 S3 s4 S5panic: pci_make_tag: bad request
> > Stopped at db_enter+0x4: popl %eb
> > 
> > trace:
> > 
> > db_enter(d0e5e189,d10f6704,2,0,0) at db_enter+0x4
> > panic(d0c3d47d,1,d10f6750,d0854f11,0) at panic+0xd3
> > pci_make_tag(0,0,11,0) at pci_make_tag+0x95
> > acpi_gasio(d2b1b400,0,2,6e,11,1,1,d10f67d8) at acpi_gasio+0x1f1
> > aml_opreg_pcicfg_handler(0,0,6e,11,1,d10f67d8) at 
> > aml_opreg_pcicfg_handler+0x21
> > aml_rwgen(d2b338c4,373,1,d2b3f304,0,1) at aml_rwgen+0x571
> > aml_rwfield(d2b2bc04,0,1,d2b3f304,0) at aml_rwfield+0x37a
> > aml_eval(d2b40704,d2b2bc04,74,d10f692c,0) at aml_eval+0x17a
> > aml_parse(d2b40704,74,d2b2f804) at aml_parse+0x2b15
> > aml_parse(d2b40704,69,38) at aml_parse+0x351
> > aml_parse(d2b40704,54,9,d2b36518,d2b40704) at aml_parse+0x351
> > aml_eval(0,d2b36544,74,0,0) at aml_eval+0x277
> > aml_evalnode(d10f6b10,d2b36504,0,0,d10f6ac0) at aml_evalnode+0xae
> > aml_evalinteger(d1b1b400,d2b36a84,d0c17e38,0,0,d10f6b30) at 
> > aml_evalinteger+0xae
> > acpi_foundprw(d2b36d04,d2b1b400) at acpi_foundprw+0x2f
> > aml_find_node(d2b36a84,d0b9299b,d0859b90,d2b1b400) at aml_find node+0x?2
> > aml_find_node(d2b336c4,d0b9299b,d0859b90,d2b1b400) at aml_find node+0x9b 
> > aml_find_node(d2b296c4,d0b9299b,d0859b90,d2b1b400) at aml_find node+0x9b 
> > aml_find_node(d2b31484,d0b9299b,d0859b90,d2b1b400) at aml_find node+0x9b 
> > aml_find_node(d0eba1a8,d0b9299b,d0859b90,d2b1b400) at aml_find_node+0x9b
> > acpi_init_gpes (d2b1b400) at acpi_init_gpes+0x195 
> > acpi_attach_common(d2b1b400,f67a0) at acpi_attach_common+0x355
> > acpi_attach(d2b210c0,d2b1b400,d10f6db8) at acpi_attach+0xZc
> > config attach(d2b210c0,d0df60d4,d10f6db8,d0928b30) at config attach+0x18a
> > config_found_sm(d2b210c0,d10f6db8,d0928630,0) at config_found_sm+0x29
> > biosattach(d2b21080, d2b210c0,d10f6eb8) at biosattach+0x19a
> > config attach (d2b21080, d0df 4c94,d10f6eb8, d02431f0) at 
> > config_attach+0x18a 
> > config_found_sm(dZbZ1080, d10f beb8, d02431f0,0) at config_found_sm+0x29 
> > mainbus_attach(0,d2b21080,0) at mainbus attach_0x5c
> > config_attach(0,d0df 2614,0,0) at config_attach+0x18a
> > cpu_configure(lie340b7,10f 4000, 1103000, 10 7000,0) at cpu_configure+0x24 
> > main(0,0,0,0,0) at main+0x311
> > ddb>
> > 
> > ps:
> >    TID   PID  UID  PRFLAGS  PFLAGS  CPU  COMMAND
> > *    0     0    0  0x10000  0x200     0  swapper
> > 
> > Dmesg:
> > ssh wyse cat /var/run/dmesg.boot
> > OpenBSD 6.8-current (GENERIC) #561: Sun Dec 27 18:29:43 MST 2020
> >     dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
> > real mem  = 803459072 (766MB)
> > avail mem = 772513792 (736MB)
> > random: good seed from bootblocks
> > mpath0 at root
> > scsibus0 at mpath0: 256 targets
> > mainbus0 at root
> > bios0 at mainbus0: date 01/16/12, BIOS32 rev. 0 @ 0xfdd30, SMBIOS rev. 2.6 
> > @ 0x2fed8000 (48 entries)
> > bios0: vendor Phoenix Technologies version "1.0G" date 01/16/2012
> > bios0: WYSE C CLASS
> > acpi0 at bios0: ACPI 3.0
> > acpi0: sleep states S0 S1 S3 S4 S5
> > acpi0: tables DSDT FACP SSDT APIC MCFG HPET
> > acpi0: wakeup devices PWRB(S4) PCI0(S5) PS2M(S3) PS2K(S3) USB1(S4) USB2(S4) 
> > USB3(S4) USB4(S4) USB5(S4) HDAC(S5) SP2P(S5)
> > acpitimer0 at acpi0: 3579545 Hz, 24 bits
> > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> > cpu0 at mainbus0: apid 0 (boot processor)
> > cpu0: VIA Eden Processor 1000MHz ("CentaurHauls" 686-class) 1.01 GHz, 
> > 06-0d-00
> > cpu0: 
> > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,CMOV,PAT,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE,SSE3,EST,TM2,xTPR,NXE
> > mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
> > cpu0: RNG AES AES-CTR SHA1 SHA256 RSA
> > cpu0: apic clock running at 100MHz
> > ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 3, 24 pins
> > acpimcfg0 at acpi0
> > acpimcfg0: addr 0xe0000000, bus 0-0
> > acpihpet0 at acpi0: 14318179 Hz
> > acpiprt0 at acpi0: bus 0 (PCI0)
> > acpiprt1 at acpi0: bus 1 (SP2P)
> > acpibtn0 at acpi0: PWRB
> > "PNP0A03" at acpi0 not configured
> > acpicmos0 at acpi0
> > acpicpu0 at acpi0: !C3(@800 io@0x4015), !C2(@80 io@0x4014), C1(@1 halt!), 
> > PSS
> > acpitz0 at acpi0: critical temperature is 105 degC
> > acpivideo0 at acpi0: VGA_
> > acpivout0 at acpivideo0: LCD_
> > bios0: ROM list: 0xc0000/0xc200 0xcc800/0x2000
> > cpu0: Enhanced SpeedStep 1001 MHz: speeds: 1000, 400 MHz
> > pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> > pchb0 at pci0 dev 0 function 0 vendor "VIA", unknown product 0x0409 rev 0x03
> > pchb1 at pci0 dev 0 function 1 vendor "VIA", unknown product 0x1409 rev 0x00
> > pchb2 at pci0 dev 0 function 2 vendor "VIA", unknown product 0x2409 rev 0x00
> > pchb3 at pci0 dev 0 function 3 vendor "VIA", unknown product 0x3409 rev 0x00
> > pchb4 at pci0 dev 0 function 4 vendor "VIA", unknown product 0x4409 rev 0x00
> > vendor "VIA", unknown product 0x5409 (class system subclass interrupt, rev 
> > 0x00) at pci0 dev 0 function 5 not configured
> > pchb5 at pci0 dev 0 function 6 vendor "VIA", unknown product 0x6409 rev 0x00
> > pchb6 at pci0 dev 0 function 7 vendor "VIA", unknown product 0x7409 rev 0x00
> > vga1 at pci0 dev 1 function 0 vendor "VIA", unknown product 0x5122 rev 0x00
> > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> > wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> > pciide0 at pci0 dev 15 function 0 "VIA VX855 IDE" rev 0x00: ATA133, channel 
> > 0 configured to compatibility, channel 1 configured to compatibility
> > wd0 at pciide0 channel 0 drive 0: <2GB ATA Flash Disk>
> > wd0: 1-sector PIO, LBA, 1953MB, 4000752 sectors
> > wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
> > pciide0: channel 1 ignored (disabled)
> > uhci0 at pci0 dev 16 function 0 "VIA VT83C572 USB" rev 0xa0: apic 1 int 20
> > uhci1 at pci0 dev 16 function 1 "VIA VT83C572 USB" rev 0xa0: apic 1 int 22
> > uhci2 at pci0 dev 16 function 2 "VIA VT83C572 USB" rev 0xa0: apic 1 int 21
> > ehci0 at pci0 dev 16 function 4 "VIA VT6202 USB" rev 0x90: apic 1 int 23
> > usb0 at ehci0: USB revision 2.0
> > uhub0 at usb0 configuration 1 interface 0 "VIA EHCI root hub" rev 2.00/1.00 
> > addr 1
> > viapm0 at pci0 dev 17 function 0 "VIA VX855 ISA" rev 0x00: SMI
> > iic0 at viapm0
> > admtemp0 at iic0 addr 0x4c: g781
> > spdmem0 at iic0 addr 0x50: 1GB DDR2 SDRAM non-parity PC2-6400CL5 SO-DIMM
> > pchb7 at pci0 dev 17 function 7 "VIA VX800 Host" rev 0x00
> > ppb0 at pci0 dev 19 function 0 "VIA VX800" rev 0x00
> > pci1 at ppb0 bus 1
> > vge0 at pci1 dev 3 function 0 "VIA VT612x" rev 0x11: apic 1 int 16, address 
> > 00:80:64:87:93:ad
> > ciphy0 at vge0 phy 1: CS8201 10/100/1000TX PHY, rev. 2
> > azalia0 at pci0 dev 20 function 0 "VIA HD Audio" rev 0x20: apic 1 int 17
> > azalia0: codecs: VIA VT1702
> > audio0 at azalia0
> > usb1 at uhci0: USB revision 1.0
> > uhub1 at usb1 configuration 1 interface 0 "VIA UHCI root hub" rev 1.00/1.00 
> > addr 1
> > usb2 at uhci1: USB revision 1.0
> > uhub2 at usb2 configuration 1 interface 0 "VIA UHCI root hub" rev 1.00/1.00 
> > addr 1
> > usb3 at uhci2: USB revision 1.0
> > uhub3 at usb3 configuration 1 interface 0 "VIA UHCI root hub" rev 1.00/1.00 
> > addr 1
> > isa0 at mainbus0
> > isadma0 at isa0
> > pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> > pckbd0 at pckbc0 (kbd slot)
> > wskbd0 at pckbd0: console keyboard, using wsdisplay0
> > pcppi0 at isa0 port 0x61
> > spkr0 at pcppi0
> > npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> > vscsi0 at root
> > scsibus1 at vscsi0: 256 targets
> > softraid0 at root
> > scsibus2 at softraid0: 256 targets
> > root on wd0a (71279e1f58da9a16.a) swap on wd0b dump on wd0b
> > 
> > ssh 192.168.42.245 doas fdisk wd0
> > Disk: wd0   geometry: 992/64/63 [4000752 Sectors]
> > Offset: 0   Signature: 0xAA55
> >             Starting         Ending         LBA Info:
> >  #: id      C   H   S -      C   H   S [       start:        size ]
> > -------------------------------------------------------------------------------
> >  0: 00      0   0   0 -      0   0   0 [           0:           0 ] unused  
> >     
> >  1: 00      0   0   0 -      0   0   0 [           0:           0 ] unused  
> >     
> >  2: 00      0   0   0 -      0   0   0 [           0:           0 ] unused  
> >     
> > *3: A6      0   1   2 -    991  63  63 [          64:     3999680 ] OpenBSD 
> >     
> > 
> > ssh wyse doas disklabel wd0
> > # /dev/rwd0c:
> > type: ESDI
> > disk: ESDI/IDE disk
> > label: 2GB ATA Flash Di
> > duid: 71279e1f58da9a16
> > flags:
> > bytes/sector: 512
> > sectors/track: 63
> > tracks/cylinder: 64
> > sectors/cylinder: 4032
> > cylinders: 992
> > total sectors: 4000752
> > boundstart: 64
> > boundend: 3999744
> > drivedata: 0 
> > 
> > 16 partitions:
> > #                size           offset  fstype [fsize bsize   cpg]
> >   a:          3869376               64  4.2BSD   2048 16384 12960 # /
> >   b:           130304          3869440    swap                    # none
> >   c:          4000752                0  unused                    
> 

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